Labor (3) Research (3) Investigación (3) Trabajo (3) Sampling (2) Life (2) Health (2) Decision making (2) Ability (2) Toma de muestras (2) Salud (2) Vida (2) Estudio (2) Toma de decisiones (2) Jefes y oficiales (2) Aptitudes (2) nécessité (2) Abdominal exercises (1) Swing (Music) (1) Wounds and injuries (1) Women soldiers (1) Women (1) Valuation (1) Time (1) Teaching (1) Surveys (1) Stocks (1) Soldiers (1) Soccer players (1) Soccer (1)